tender for endoloop with ligating device size is 30mm, endoscope channel cleaning brush 6mm brush diameter x230cm length, 2.8mm channel. tip should be atraumatic, electrosurgical twostep knife djustabletwo-step knife of 2mm length and adome-shaped cutting section. 2) shouldhave distinct markers visible on the sheath to provide endoscopic verification of cutting depth. 3) the white and gray markings together measure 1.5 mm and the blue marker measures 1.0 mm, endoscopic cap: straight caps are hard transparent caps the endoscope for endoscopic mucosal resection of lesions smallerthan 10mm with an outer diameter of14.9 mm and measuring 12 mm in length., endoscopic biliary dilatation balloon hydrophilic dilatation balloon of size 4fr. tip lengths 2 and 4 cm; diameter sizes ranging from 4 to 10 mm